Sprinkler head



May 6, 1924.

v 1,992,990 v. A. H. KAHLER S PRINKLER HEAD Filed July 2'7. 1921Patented May 6, 1924.

UITED SPRINKLER HEAD.

Application filed July 27,

T 0 all whom it may concern:

Be it known that I, VENICE A. H. KAH- man, a citizen of the UnitedStates, residing in the city of Pasadena, county of Los Angeles,and'State of California, have invented certain now and usefulImprovements in Sprinkler Heads, of which the following is aspecification.

My invention refers to sprinkler heads for sprinkling lawns and has forits object to provide a simplified device which can be more quickly andcheaply manufactured and which will give a side spray, or a spray ofsemi-circular form. It has been attempted to form sprinkler heads and tocast the hole or opening therein, but this is unsuccessful for thereason that they are rough and a broken spray is the result and it isnecessary to so construct the device that the opening or outlet for suchside spray can be milled quickly after the head is cast. My improvedspray head is such that this can be done, and I have shown 011 theaccompanying sheet of drawings a form of said invention, which isadapted to be 'mounted on the upper end of a vertical supply pipe. Inthe drawings Figure 1 is a top plan View of the spray head forattachment to a vertical pipe; and

Figure 2 is a vertical sectional View thereof.

Referring to Figs. 1 and 2, the body of the device is of disc-like formwith concaved central portion, 3, and a convened annular outer portion,4, with an internally threaded shank portion, 5, for attachment to asupply pipe. Formed in the center of the concaved uppersurface, 3, is astud, 6. A central bore from the inside of the body, as at 7, extendsinto the inner end of said stud. A slot, 8, is cut by a millingoperation into the stud 6, until it intersects the hole 7, said slotbeing disposed at an angle 1921. Serial No. 487,827.

corresponding to the concavity of the central top part of said device.By reason of the concaved formation, it is possible to mill the slot onan, angle into the central open- It will be seen that the central boreis quickly made and the slot is quickly milled, thus giving perfectlysmooth out-let passageways and throwing a smooth and unbroken sidespray. In the form of the invention shown, the device can be moved intothe milling machine in any position so far as the stud 6 and the centralbore is concerned, as it makes no difference which side of said stud isslotted.

What I claim and desire to cover with Letters Patent is,'-

l. A sprinkler head of the character referred to comprising a bodyadapted to be screwed on to a supply head, and having a concaved top, acentrally disposed stud in said concaved top, a central bore beingextended from the inside of the head into said stud, and a milled slotthrough one side of said stud, at an angle, to intersect with saidcentral bore, whereby to provide an angularly disposed discharge slot.

2. A sprinkler head comprising a body member adapted to be screwed on tothe end of a pipe and having a central bore through its outer end, saidbore terminating in a slotv standing at an angle to the axis of said 75bore, the outer surface of said body adjacent said slot being concavedwhereby water forced through said head forms a fiat spray over theconcaved portion of said head.

Signed at Los Angeles, Los Angeles county, California, this 19 day ofJuly, 1;?21.

VENICE A. H. KAHLER.

Witnesses:

CHAS. L. HUBBARD, W. K. Lrrznmsnno.

